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NR Week 4 Midterm Exam

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1. Which of the following has been shown to prolong life in patients with chronic congestive failure in spite of having a negative inotropic effect on cardiac contractility? 2. Which of the following statements gives the best explanation for the use beta-blockers in congestive heart failure? 3. Which of the molecular mechanism of action of digoxin (Lanoxin, Cardoxin) used in the management of congestive heart failure? 4. Which of the following is an aldosterone antagonist and is useful in the m...

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  • by gradesgain • 
  • uploaded  22-02-2020
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NURSb X2N

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PHARM 1. A 3-year-old is brought to the emergency department having just ingested a large overdose of tolbutamide, an oral antidiabetic drug. Tolbutamide is a weak acid with a pKa of 5.3. It is capable of entering most tissues, including the brain. On physical examination, the heart rate is 100/min, blood pressure 90/50 mm Hg, and respiratory rate 20/min. Which of the following statements about this case of tolbutamide overdose is most correct? (A) Urinary excretion would be accel...

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  • Exam (elaborations)
  •  • 111 pages • 
  • by gradesgain • 
  • uploaded  22-02-2020
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